Size 1 Deck Organizer - 4 SheaveDesigned for use when diverting mast base control lines and halyards back to the cockpit. Allowing the crew to sail from the security of the cockpit.Suitable for boats up to 32&'; (9.75 M) with halyard size up to 7/16"Deck organizers can be double-stacked.Technical Specifications: Material - Spectro Anodized Aluminum Dimensions (L x W x H) - 7.87" x 1.1" x 1" (200 x 28 x 25 mm) Weight - 7.05 oz (200 g) Sheave Material - Molded Acetal Sheave Diameter - 1.26" (32 mm) Sheave Width - .67" (17 mm) Maximum Line Diameter - .47" (12 mm) *Sold as an Individual Quick Guide (pdf)Brochure (pdf)